The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth.

UFOs have captured the collective imagination for years, and there are some must-see movies that are absolutely perfect.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ROSWELL, N.M. (AP) — A New Mexico city known ...

Add Yahoo as a preferred source to see more of our stories on Google. An exhibit in Portsmouth is taking visitors inside the incredible lives of Betty and Barney Hill. Ronda Rousey vs. Gina Carano ...